Console broken on current bundle

🐛 Bug

upon opening the console…

traceback

---------------------------------------------------------------------------
Empty                                     Traceback (most recent call last)
/Applications/napari.app/Contents/Resources/app_packages/qtconsole/base_frontend_mixin.py in _dispatch(self=, msg={'buffers': [], 'content': {'banner': "Python 3.8.8 (default, Mar  6 2021, 04:04:59) \nT... enhanced Interactive Python. Type '?' for help.\n", 'help_links': [{'text': 'Python Reference', 'url': 'https://docs.python.org/3.8'}, {'text': 'IPython Reference', 'url': 'https://ipython.org/documentation.html'}, {'text': 'NumPy Reference', 'url': 'https://docs.scipy.org/doc/numpy/reference/'}, {'text': 'SciPy Reference', 'url': 'https://docs.scipy.org/doc/scipy/reference/'}, {'text': 'Matplotlib Reference', 'url': 'https://matplotlib.org/contents.html'}, {'text': 'SymPy Reference', 'url': 'http://docs.sympy.org/latest/index.html'}, {'text': 'pandas Reference', 'url': 'https://pandas.pydata.org/pandas-docs/stable/'}], 'implementation': 'ipython', 'implementation_version': '7.25.0', 'language_info': {'codemirror_mode': {'name': 'ipython', 'version': 3}, 'file_extension': '.py', 'mimetype': 'text/x-python', 'name': 'python', 'nbconvert_exporter': 'python', 'pygments_lexer': 'ipython3', 'version': '3.8.8'}, 'protocol_version': '5.3', 'status': 'ok'}, 'header': {'date': datetime.datetime(2021, 7, 1, 2, 34, 1, 80259, tzinfo=tzutc()), 'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_1', 'msg_type': 'kernel_info_reply', 'session': '9e39513d-f9bf56e39d67df1adb30b4b0', 'username': 'talley', 'version': '5.3'}, 'metadata': {}, 'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_1', 'msg_type': 'kernel_info_reply', 'parent_header': {'date': datetime.datetime(2021, 7, 1, 2, 34, 1, 77989, tzinfo=tzutc()), 'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_0', 'msg_type': 'kernel_info_request', 'session': '9e39513d-f9bf56e39d67df1adb30b4b0', 'username': 'talley', 'version': '5.3'}})
    136         handler = getattr(self, '_handle_' + msg_type, None)
    137         if handler:
--> 138             handler(msg)
        handler = >
        msg = {'header': {'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_1', 'msg_type': 'kernel_info_reply', 'username': 'talley', 'session': '9e39513d-f9bf56e39d67df1adb30b4b0', 'date': datetime.datetime(2021, 7, 1, 2, 34, 1, 80259, tzinfo=tzutc()), 'version': '5.3'}, 'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_1', 'msg_type': 'kernel_info_reply', 'parent_header': {'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_0', 'msg_type': 'kernel_info_request', 'username': 'talley', 'session': '9e39513d-f9bf56e39d67df1adb30b4b0', 'date': datetime.datetime(2021, 7, 1, 2, 34, 1, 77989, tzinfo=tzutc()), 'version': '5.3'}, 'metadata': {}, 'content': {'status': 'ok', 'protocol_version': '5.3', 'implementation': 'ipython', 'implementation_version': '7.25.0', 'language_info': {'name': 'python', 'version': '3.8.8', 'mimetype': 'text/x-python', 'codemirror_mode': {'name': 'ipython', 'version': 3}, 'pygments_lexer': 'ipython3', 'nbconvert_exporter': 'python', 'file_extension': '.py'}, 'banner': "Python 3.8.8 (default, Mar  6 2021, 04:04:59) \nType 'copyright', 'credits' or 'license' for more information\nIPython 7.25.0 -- An enhanced Interactive Python. Type '?' for help.\n", 'help_links': [{'text': 'Python Reference', 'url': 'https://docs.python.org/3.8'}, {'text': 'IPython Reference', 'url': 'https://ipython.org/documentation.html'}, {'text': 'NumPy Reference', 'url': 'https://docs.scipy.org/doc/numpy/reference/'}, {'text': 'SciPy Reference', 'url': 'https://docs.scipy.org/doc/scipy/reference/'}, {'text': 'Matplotlib Reference', 'url': 'https://matplotlib.org/contents.html'}, {'text': 'SymPy Reference', 'url': 'http://docs.sympy.org/latest/index.html'}, {'text': 'pandas Reference', 'url': 'https://pandas.pydata.org/pandas-docs/stable/'}]}, 'buffers': []}
    139 
    140     def from_here(self, msg):

/Applications/napari.app/Contents/Resources/app_packages/qtconsole/jupyter_widget.py in _handle_kernel_info_reply(self=, rep={'buffers': [], 'content': {'banner': "Python 3.8.8 (default, Mar  6 2021, 04:04:59) \nT... enhanced Interactive Python. Type '?' for help.\n", 'help_links': [{'text': 'Python Reference', 'url': 'https://docs.python.org/3.8'}, {'text': 'IPython Reference', 'url': 'https://ipython.org/documentation.html'}, {'text': 'NumPy Reference', 'url': 'https://docs.scipy.org/doc/numpy/reference/'}, {'text': 'SciPy Reference', 'url': 'https://docs.scipy.org/doc/scipy/reference/'}, {'text': 'Matplotlib Reference', 'url': 'https://matplotlib.org/contents.html'}, {'text': 'SymPy Reference', 'url': 'http://docs.sympy.org/latest/index.html'}, {'text': 'pandas Reference', 'url': 'https://pandas.pydata.org/pandas-docs/stable/'}], 'implementation': 'ipython', 'implementation_version': '7.25.0', 'language_info': {'codemirror_mode': {'name': 'ipython', 'version': 3}, 'file_extension': '.py', 'mimetype': 'text/x-python', 'name': 'python', 'nbconvert_exporter': 'python', 'pygments_lexer': 'ipython3', 'version': '3.8.8'}, 'protocol_version': '5.3', 'status': 'ok'}, 'header': {'date': datetime.datetime(2021, 7, 1, 2, 34, 1, 80259, tzinfo=tzutc()), 'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_1', 'msg_type': 'kernel_info_reply', 'session': '9e39513d-f9bf56e39d67df1adb30b4b0', 'username': 'talley', 'version': '5.3'}, 'metadata': {}, 'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_1', 'msg_type': 'kernel_info_reply', 'parent_header': {'date': datetime.datetime(2021, 7, 1, 2, 34, 1, 77989, tzinfo=tzutc()), 'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_0', 'msg_type': 'kernel_info_request', 'session': '9e39513d-f9bf56e39d67df1adb30b4b0', 'username': 'talley', 'version': '5.3'}})
    318             # finish handling started channels
    319             self._starting = False
--> 320             super()._started_channels()
        global super._started_channels = undefined
    321 
    322     def _started_channels(self):

/Applications/napari.app/Contents/Resources/app_packages/qtconsole/frontend_widget.py in _started_channels(self=)
    604             when the frontend is assigned an already listening KernelManager.
    605         """
--> 606         self.reset(clear=True)
        self.reset = >
        global clear = undefined
    607 
    608     #---------------------------------------------------------------------------

/Applications/napari.app/Contents/Resources/app_packages/qtconsole/frontend_widget.py in reset(self=, clear=True)
    654         # update output marker for stdout/stderr, so that startup
    655         # messages appear after banner:
--> 656         self._show_interpreter_prompt()
        self._show_interpreter_prompt = >
    657 
    658     def restart_kernel(self, message, now=False):

/Applications/napari.app/Contents/Resources/app_packages/qtconsole/jupyter_widget.py in _show_interpreter_prompt(self=, number=None)
    372         # If a number was not specified, make a prompt number request.
    373         if number is None:
--> 374             msg_id = self.kernel_client.execute('', silent=True)
        msg_id = undefined
        self.kernel_client.execute = >
        global silent = undefined
    375             info = self._ExecutionRequest(msg_id, 'prompt')
    376             self._request_info['execute'][msg_id] = info

/Applications/napari.app/Contents/Resources/app_packages/ipykernel/inprocess/client.py in execute(self=, code='', silent=True, store_history=True, user_expressions={}, allow_stdin=True)
    108                        allow_stdin=allow_stdin)
    109         msg = self.session.msg('execute_request', content)
--> 110         self._dispatch_to_kernel(msg)
        self._dispatch_to_kernel = >
        msg = {'header': {'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_2', 'msg_type': 'execute_request', 'username': 'talley', 'session': '9e39513d-f9bf56e39d67df1adb30b4b0', 'date': datetime.datetime(2021, 7, 1, 2, 34, 1, 209574, tzinfo=datetime.timezone.utc), 'version': '5.3'}, 'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_2', 'msg_type': 'execute_request', 'parent_header': {}, 'content': {'code': '', 'silent': True, 'store_history': True, 'user_expressions': {}, 'allow_stdin': True}, 'metadata': {}, 'tracker': }
    111         return msg['header']['msg_id']
    112 

/Applications/napari.app/Contents/Resources/app_packages/ipykernel/inprocess/client.py in _dispatch_to_kernel(self=, msg={'content': {'allow_stdin': True, 'code': '', 'silent': True, 'store_history': True, 'user_expressions': {}}, 'header': {'date': datetime.datetime(2021, 7, 1, 2, 34, 1, 209574, tzinfo=datetime.timezone.utc), 'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_2', 'msg_type': 'execute_request', 'session': '9e39513d-f9bf56e39d67df1adb30b4b0', 'username': 'talley', 'version': '5.3'}, 'metadata': {}, 'msg_id': '9e39513d-f9bf56e39d67df1adb30b4b0_2', 'msg_type': 'execute_request', 'parent_header': {}, 'tracker': })
    178         loop = asyncio.get_event_loop()
    179         loop.run_until_complete(kernel.dispatch_shell(msg_parts))
--> 180         idents, reply_msg = self.session.recv(stream, copy=False)
        idents = undefined
        reply_msg = undefined
        self.session.recv = >
        stream = 
        global copy = undefined
    181         self.shell_channel.call_handlers_later(reply_msg)
    182 

/Applications/napari.app/Contents/Resources/app_packages/jupyter_client/session.py in recv(self=, socket=, mode=1, content=True, copy=False)
    807             socket = socket.socket
    808         try:
--> 809             msg_list = socket.recv_multipart(mode, copy=copy)
        msg_list = undefined
        socket.recv_multipart = >
        mode = 1
        copy = False
    810         except zmq.ZMQError as e:
    811             if e.errno == zmq.EAGAIN:

/Applications/napari.app/Contents/Resources/app_packages/ipykernel/inprocess/socket.py in recv_multipart(self=, flags=1, copy=False, track=False)
     30 
     31     def recv_multipart(self, flags=0, copy=True, track=False):
---> 32         return self.queue.get_nowait()
        self.queue.get_nowait = >
     33 
     34     def send_multipart(self, msg_parts, flags=0, copy=True, track=False):

/Applications/napari.app/Contents/Resources/Support/Python/Resources/lib/python3.8/queue.py in get_nowait(self=)
    196         raise the Empty exception.
    197         '''
--> 198         return self.get(block=False)
        self.get = >
        global block = undefined
    199 
    200     # Override these methods to implement other queue organizations

/Applications/napari.app/Contents/Resources/Support/Python/Resources/lib/python3.8/queue.py in get(self=, block=False, timeout=None)
    165             if not block:
    166                 if not self._qsize():
--> 167                     raise Empty
        global Empty = 
    168             elif timeout is None:
    169                 while not self._qsize():

Empty: 

[goanpeca]

Pinging @jaimergp

[tlambert03]

Yep! Thanks!